Session Notes for session: r4093 Prepared by Merri Sue Carter, USNO. (msc@maia.usno.navy.mil) =========================================================== Parameter values for experiment R4093 Experiment description: NEOSA Scheduler: tbd Correlator: TBD Nominal start: 2003-289-18:30:00 Nominal end: 2003-290-18:45:00 Current yyyyddd: 2003289 (2003.79) ( 12929 MJD, THUR 16OCT.) Greenwich sidereal time: 20: 9:27.16 (18:30: 0 UT) Sun's RA and DEC: 13h 25.0m -8d 56.0 ========================================================== The following sources were included for research purposes: none... note that sv and ma are tagged. =========================================================== First observations Observation listing from file ./r4093.skd for experiment R4093 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma On Sv Wz 3C446 03289-183000| 191 128 191 98 98| 3C274 03289-183000| 104 104 | 0955+476 03289-183534| 98 112 167 98 167| 1606+106 03289-184331| 98 193 102 193 98| 1908-201 03289-184749| 98 98 98| End of listing. =========================================================== Last observations Observation listing from file ./r4093.skd for experiment R4093 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma On Sv Wz 0133+476 03290-182811| 98 98 98| End of listing. Observation listing from file ./r4093.skd for experiment R4093 Source Start DURATIONS name yyddd-hhmmss Ap Ft Kk Ma On Sv Wz 1622-253 03290-180422| 128 128 | 1706-174 03290-180734| 192 192| 1741-038 03290-181440| 98 98 98 98| 1923+210 03290-181818| 341 341 239 192| 0202+149 03290-182532| 98 98 98| 0133+476 03290-182811| 98 98 98| End of listing. =========================================================== SKED Summary from file ./r4093.skd for experiment R4093 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 2.4 Min = .0 Max = 24.2 (Baseline On-Wz on 1741-038) RMS = 3.9 Total time: 1439 minutes ( 24.0 hours). Key: Ap=ALGOPARK Ft=FORTLEZA Kk=KOKEE Ma=MATERA On=ONSALA60 Sv=SVETLOE Wz=WETTZELL Ap Ft Kk Ma On Sv Wz Avg % obs. time: 31 33 38 25 57 21 47 36 % cal. time: 2 1 1 1 2 1 2 1 % slew time: 53 16 7 11 15 23 8 19 % idle time: 12 49 52 62 25 53 41 42 # of tapes : .5 2.0 .6 .4 .9 1.2 .7 total # scans: 174 91 136 107 203 139 210 151 # scans/hour : 7 3 5 4 8 5 8 6.3 Avg scan (sec): 157 315 246 203 242 134 195 213 tape change times (hhmm): 0000 0702 0000 0000 0000 1433 0000 # OF OBSERVATIONS BY BASELINE | Ap Ft Kk Ma On Sv Wz StnTotal ------------------------------------------ Ap|174 57 106 41 81 60 87 432 Ft| 91 34 52 57 40 62 302 Kk| 136 27 58 44 52 321 Ma| 107 103 73 107 403 On| 203 136 196 631 Sv| 139 135 488 Wz| 210 639 Number of 2-station scans: 98 Number of 3-station scans: 70 Number of 4-station scans: 64 Number of 5-station scans: 40 Number of 6-station scans: 26 Number of 7-station scans: 6 Total # of scans, observations: 304 1608 =========================================================== Recording mode Name Code GEOSXR4 SX Recording mode setup for: ALGOPARK KOKEE MATERA ONSALA60 WETTZELL Mode Tot.Rate Tot.BandW #chan #bits Barrel C 56.000 Mbits 28.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 2.00 MHz 2 14(*0) 28 80.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 125.0 MHz rms spanned bw= 50.7 MHz Effective number of channels recorded per sub-pass X S Total 8.000 6.000 14.000 Recording mode setup for: FORTLEZA SVETLOE Mode Tot.Rate Tot.BandW #chan #bits Barrel C 56.000 Mbits 28.000 MHz 14 1 NONE Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 2.00 MHz 2 14(*0) 28 135.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 125.0 MHz rms spanned bw= 50.7 MHz Effective number of channels recorded per sub-pass X S Total 8.000 6.000 14.000 =========================================================== Tape types ID Station Tape length Density Ap ALGOPARK 17400feet (Thin ) 56250. (High) Ft FORTLEZA 8700feet (Thick) 33333. (Low ) Kk KOKEE 17400feet (Thin ) 56250. (High) Ma MATERA 17400feet (Thin ) 56250. (High) On ONSALA60 17400feet (Thin ) 56250. (High) Sv SVETLOE 8700feet (Thick) 33333. (Low ) Wz WETTZELL 17400feet (Thin ) 56250. (High) =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Ap Ft Kk Ma On Sv Ap Ft Kk Ma On Sv Ft 20 Ft 15 Kk 20 20 Kk 15 15 Ma 20 20 20 Ma 15 15 15 On 20 20 20 20 On 15 15 15 15 Sv 20 20 20 20 20 Sv 15 15 15 15 15 Wz 20 20 20 20 20 20 Wz 15 15 15 15 15 15